Filling-replenishing loom



Aug. 3 1926. Q 1,595,045

J. T. KIRK FILLING REPLENISHING LOOM Filed Jan. 1926 2 Sheets-Sheet 1 Aug. 3 1926.

J. T. KIRK FILLING REPLENISHING LOOM Filed Jan. 1926 2 Sheets-Sheet 2 ATTORNEY Patented Aug. 3, 1926.

' UNITED STATES JOHN T. KIRK, or new nnnnonn, MASSACHUSETTS, ASSIGNOR To DRAPER conronA- TION, or HOPEDALE, MASSACHUSETTS, A CORPORATIONOF MAINE.

FILLING-REPLEITISHING 'LOOM.

Application filed January This invention relates to filling replenishing looms and is more particularly directed to means for-preventing displacement of the yarn on the filling carriers while in the hopper. A

The yarn which is to be used in the loom as filling or weft is now usually wound upon the filling carriers or-bobbins in conical layers or weft wind. During weaving, such filling carriers or bobbins thus wound with filling are supported in a hopperand-are successively presented to transferring position for transfer to the shuttle.

During the weaving operation, the ends of filling arenow usually secured to some fixed point, preferably connectedto the hopper. The tendency, therefore,is for the end windings of yarn along the filling carriers to slough or to become displaced on the filling carriers. This condition is particularly observable in'connection with some kinds or character of yarn. such, for instance, as silk, artificial silk or the like. Should the yarn thus slough or become displaced about the end or tip portion of the bobbin or filling carrier. the filling is liable to become broken when the carrier is transferred to the shuttle, or, if not broken then, the shuttle may fail to thread on the first pick following replenish- 30 ment, or the yarn may come from the end of the filling carrier or bobbin several windings at a time, thus bunching up and be coming entangled, with consequent defect in the weaving operation.

This displacement of the yarn on the filling carriers while in the hopperv becomes a source of difliculty when weaving with silk or artificial silk or even some .fine yarns of other fibrous character, and is generally referred to technically as sloughing. This term, therefore, when hereinafter used, is

intended to mean the displacement, partic-.

ularly of the end windings on a filling carrier or bobbin, such displacement usually from the end windings longitudinally along the filling carrier or bobbin towards the tip end thereof.

The'object of the presentinvention' is to provide means of Simple and effective character that shall effectively prevent sloughing or displacement of the yarn on the filling carriers while in the hopper, and, in accordance with one form of the present manifesting itself in coils of filling moving.

18, 1926 Serial No. 81,953.

invention, a filling carrier in the hopper ing carrier. One .good form of means-to this end comprises a pad of suitable material. that shall bear upon the end windings of the filling carrier while in the ho'pper, prevent,

sloughing, or displacement of the yarn thereon, and yet-not interfere with the support of the filling carrier in thehopper 013' its transfer to the shuttle.

The invention, novel features thereof, and

newcombination of parts, will best be madeclear from the following description and the accompanying drawings of one good form thereof..

In the drawings:

Fig. '1 is a perspective view at the replenishing side of the loom, Showing a hopper containing the present invention; Fig. 2 is'an enlarged sectional detail showing one form of the present invention; 7 Fig. 3 is an enlarged end view of a hopper having the present invention associated therewith; and.

Fig. his a view-similar to that of Fig. 3,'showinga slightly modified, means for supporting the 'anti-sloughing pad.

The invention shown ,in thespresent ,instance thereof is associated with a rotary hopper, and the advantages of the'invention are more particularly manifested in this connection, although it may be employed with other-forms of hoppers.

-The loom frame "1, Fig; 1, has mounted thereonthe hopper. stand 2, having the usual cover plate 3 atone end, and mounted on the hopper stand 2 is the stud ordead shaft 4 on which is the rotary hopper. It is usual in the rotary hopper type of filling replenishing hoppers to provide a head for supporting one end of the filling carriers or bobbins, and an opposite head for supporting the other end of the filling carriers or bobbins, and in so far as the presentinvention is concerned, such supports for the filling carriers or bobbins may, beof any desired construction or type.

In the present instanceof, the invention, the rotary head 5 of the hopper is provided with sockets 6 for supporting the head portions 7 of the filling carriers or bobbins 8, andan oppositeor tip end support for the filling carriers is formed as a disk 9 which may, as may also the head 5, be mounted upon the stud or dead shaft 4: for rotary movement, in order to transfer the filling carriers to transferring position.

Th rotary hopper is usually provided with a guiding disk 10 which may be provided with notches 11 for the ends a of the filling which leads from the end of the filling carriers in the hopper to a fixed point, preferably in aXial alinement with the stud or dead shaft 4 outside of the disk 10. All of these matters, however, are not new, and since they are very well understood: by those skilled in the art, further showing and description thereof seems unnecessary.-

As indicated in Fig. 2', the disk 9 has a series of openings 12 in which are mounted the tip supports 13-, each of which may have a j aw portion 14, as usual, to engage a shoulder or'flange' 15 formed on or made as part of the disk 9. Each: of the tip supports 13 is normally under the influence of a spring, such, for instance, as'16, Fig. 2, nor-- mally moving the tip supports towards the tip end portions of the bobbins when they are in the hopper. Each of the tip supports 13 has a rounded seat 17 for the tip portion of the bobbin to be supported by it.-

The particular details of the disk 9 and the tip supports are not of the present invention and the brief description thus far given will be suflicient to enable those skilled in the art to understand the invention which is now to be described.

In accordance with the present invention, means are provided to retard sloughing or displacement of the end windings of the yarn on the filling carriers or bobbins while in the hopper, and such means is preferably formed as a pad of some soft material,

such as fabric or felt or the like, which will bear upon the windings of filling on a filling carrier while in the hopper.

The invention may take various forms, such, for instance, that there may be aseries of pads, one for each filling carrier in the hopper, or, if desired, in some instances, a ring form of pad ma be employed to bear against the end windings of filling carriers in th hopper, but in any case, the end windings of a filling carrier in a hopper will be prevented from displacement or sloughing endwise of the filling carrier, so that when transfer takes place no entanglement or breakage of yarn may occur due to such displacement.

' In the form of the invention, as shown in Fig. 2, each tip holder 13 is provided with a separate pad 19 which is mounted upon a support attached to the tip holder, and as the pad should bear upon the end windings, preferably by a yielding pressure when the filling carrier is held in the hopper, the support is formed as a leaf spring 18, the leg portion 20 of which is secured to the adjacent tip holder 13 by suitable means, such as the screws 21, and at its upper portion the leg 20is bent laterally and then revcrsely at 22 to form a seat 23 to which the individual pad 19 is secured to bear upon the end windings of the filling a wound upon the filling carrier 8.-

In Figs. 1, 3 and a the anti-sloughing pad is formed as a continuous ring 24 which maybe supported in appropriate manner upon the hopper. As indicated in Fig. 3, each of the tip holders 13 is provided with the spring supports, as described in connection with Fig. 2, but instead of mounting a separate pad 19 on each of the separate spring supports 18, a continuous ring of the pad material 2 1 is secured upon the seats 23 of the spring supports, substan-' tially as indicated in Figs. 1, 2 and 3. In either event, however, the pad material bears upon the end windings of filling wound upon the filling carrier, and when a filling carrier is in its transferring position, as indicated in Fig. 1, the pad is above the tip end portion of the filling carrier and does not interfere withthe free transfer of the filling carrier to'the shuttle.

The essentials of the present invention do not require that the antirsloughing pad shall be supported in any particular manner in a hopper or on a hopper, but that it shall be so supported that it will bear upon the end windings of filling carriers or bob bins in the hopper and prevent sloughing or displacement of the yarn thereon while the filling carrier is in the hopper. Preferably, however, the pad (whether it be formed of a single circular member, as 24,. or of individual members, as 19 in Fig. 2) will be yieldingly supported, and the yielding supporting means may take various forms, as, for instance, that shown and described in Figs. 2 and 3, although this may be varied.

One variation of the yielding supporting means for the pad is indicated in Fig. 4, wherein the spring supporting means 25 for the pad isdirectly secured to the head 9 by means such as the screws 26, in which re spect the supports 25 differ from the spring supports 18, where they are secured to the tip holders. In other respects, the spring supports 25 may be substantially the same as those previously described in respect to Fig. 2. Where the spring supports 25 are connected directly to the tip disk 9, as indicated in Fig. 4, there will, of course, be a series of these and a continuous pad 24:, which may be the same as in Fig. 1, will be secured to the series of spring supports 25 In such case, also, it will be noted, as indicated in Fig. 4-, that where a continuous pad bears upon the end windings of filling,

as at 27, Fig. 4;, the pad will take a natural concave position between the several pad supports 25.

As indicated in Fig. 1, the hopper has associated with it a transferrer 28 which is mounted, as usual, in the stud shaft 29 and has the depending leg 30 to which is pivotally connected the dog 31, as usual. Extend the cone portions thereof at the tip of the filling carriers to prevent sloughing or dis-v placement of the yarn longitudinally of the filling carriers, and while the invention is more particularlyadvantageous in connection with silk, artificial silk and such character of yarn, it is obvious that it may be employed in connection with filling carriers having any kind of yarn thereon.

What is claimed is:

1. In a filling replenishing loom, the com bination of a hopper for filling carriers having filling wound thereon, and supports on the hopper for engaging the end portions of the filling carriers, and means between the end supports bearing upon the conical end windings of filling on a filling carrier while in the hopper to prevent sloughing or displacement of the yarn on the carrier.

2. In a filling replenishing loom, the combination of a hopper having supports for filling carriers to be transferred, and means bearing upon the conical end windings of the filling on a filling carrier to prevent sloughing or displacement of the yarn on the carrier while in the hopper.

3. In a filling replenishing loom, the combination of a hopper having supports for filling carriers to be transferred, and a pad bearing upon the mass of wound filling on a filling carrier to prevent sloughing or displacement of the mass of yarn on a filling carrier while supported in the hopper.

4. In a filling replenishing loom, the combination of a hopper for supporting filling carriers to be transferred, and a yieldingly mounted pad bearing upon the conical end windings of the filling on a carrier to pre vent sloughing or displacement of the yarn on the filling carrier while in the hopper.

5. In a filling replenishing loom, the combination of a rotary hopper having I end supports for filling carriers, a pad mounted on the rotary hopper for movement therewith and bearing upon the end windings of the filling on a carrier while in the hopper to prevent sloughing or displacement of the yarn on the filling carrier.

6. In a filling replenishing loom, the combination of a rotary hopper for supporting filling carriers to be transferred, means car'- ried by the rotary hopper bearing upon the mass of end windings of a filling carrier in the hopper to prevent endwise displacement of the wound filling, and a support for said means. I

7. In a filling replenishing loom, the combination of a hopper for supporting filling carriers to be transferred, means bearing upon' the conical end windings of a filling carrier in the hopper to prevent endwisedisplacement of the wound filling from the conical windings, and a yielding support for said means.

8. In a filling replenishing loom, the combination of a hopper for filling carriers to be transferred, a pad bearing upon the end windings of the filling on a carrier as the carrier ismoved to transferring position to preventsloughing or displacement of the end windings and a yielding support for the pad acting to hold the latter against the wound filling while the carrier is in the hopper.

9. In a filling replenishing loom, the combination of a rotary hopper having supports for filling carriers, a pad connected to the rotary hopper and bearing downwardly upon the endwindings on a filling carrier when in transferring position to prevent sloughing or displacement of the endwindings on the filling carrier.

10. Ina filling replenishing loom, the combination of a rotary hopper having supports for filling carriers to be transferred, a pad mounted on the rotary hopper radially within the series of filling carriers supported by the hopper and bearing yieldingly upon the end windings of'the filling on a filling carrier to prevent sloughing or displacement of the yarn on the filling carrier while in the hopper.

In testimony whereof, I have signed my name to this specification.

JOHN T. KIRK. 

